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// CODE SNIPPET

605.2.1 Standards for Air-Handling Units

NYC Mechanical Code 2022 > 6 Duct Systems > 605 Air Filters > 605.2 Standards > 605.2.1 Standards for Air-Handling Units
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Air-handling units of mechanical ventilation systems, any portion of which provide outdoor air ventilation, shall be equipped with a particulate matter filtration system in accordance with ASHRAE 62.1 or ASHRAE 62.2 and shall have a minimum efficiency reporting value (MERV) of 11 or greater in accordance with ASHRAE 52.2.
Exceptions:
  1. This section shall not apply to the alteration or repair of a mechanical ventilation system that was installed prior to January 1, 2013 unless such alteration or repair includes the replacement or addition of an air-handling unit in such system.
  2. This section shall not apply to any air-handling unit with a design capacity of less than 5,000 cfm (2.4 m3/s).
  3. This section shall not apply for combustion outside air, dilution air, ventilation air for mechanical room and spaces not intended for occupancy.

Related Code Sections


605.2.1 Duct Systems, *Standards for Air-Handling Units
Air-handling units of mechanical ventilation systems, any portion of which provide outdoor air ventilation, shall be equipped with a particulate ...
NYC Mechanical Code 2008 > 6 Duct Systems > 605 Air Filters > 605.2 Standards > 605.2.1 *Standards for Air-Handling Units
605.2.1 Duct Systems, Standards for Air-Handling Units
Air-handling units of mechanical ventilation systems, any portion of which provide outdoor air ventilation, shall be equipped with a particulate ...
NYC Mechanical Code 2022 > 6 Duct Systems > 605 Air Filters > 605.2 Standards > 605.2.1 Standards for Air-Handling Units
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NYC Mechanical Code 2014 > 6 Duct Systems > 605 Air Filters > 605.2 Standards > 605.2.1 Standards for Air-Handling Units
Reference Standard 13 Mechanical Ventilation, Air Conditioning, and Refrigeration Systems [PDF] (page 8)
-handling unit is located on the floor that it serves and serves only that floor. Exception No. 2: Where the air-handling unit is located on the roof ...
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